Sauces & Dressings Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. 
Serving Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Indian Onion Relish
A bright, tangy Indian-restaurant-style onion relish with lemon, paprika, and a kick of cayenne.
No common allergens detected
Based on this recipe's ingredient list. Always verify with your own brands and labels.
Instructions
5 steps- 1
Soak the sliced onions in cold water for 10 minutes to mellow their sharpness, then drain thoroughly and pat dry.
- 2
Transfer the onions to a bowl and toss with the lemon juice, chili powder, chaat masala, and salt.
- 3
Massage the seasoning into the onions with your hands for a minute so the slices soften slightly and release a little liquid.
- 4
Stir in the cilantro and green chili if using.
- 5
Let sit for 10 minutes at room temperature before serving alongside kebabs, biryani, or grilled meats.
Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Listahan Family Score™
63/100
Works for many families
Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.
Nutrition
per serving15
Calories
0 g
Protein
4 g
Carbs
0 g
Fat
Estimated per serving. Actual values depend on the brands and portions you use.
Listahan cooking guide
Chef notes & practical guide
Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.
Cultural context
This raw onion relish, kachumber-style, is the bright, crunchy condiment served alongside curries and tandoori dishes in North Indian restaurants and homes. It exists to cut through rich, spiced mains with acid and freshness rather than to add more heat. The combination of raw onion, lemon, and a little chili is meant to wake up the palate between bites.
Listahan note
This version keeps the relish raw and quick, leaning on a salt-and-lemon soak to tame the onion's bite so it stays sharp but not harsh.
Technique cues
- Soak the sliced onion in cold water with a pinch of salt for ten minutes, then drain, so the relish tastes clean instead of pungent.
- Add the lemon juice and salt only a few minutes before serving so the onions keep their crunch rather than going limp.
- Toast and crush a little cumin seed before stirring it in; the warm aroma is what makes this read as Indian rather than just a salad.
Kitchen flow
- Parallel prep
- Slice and soak the onions while you finish cooking the main, then drain and dress at the last minute.
- Make-ahead
- Slice the onions and chop the herbs a few hours ahead, but hold the lemon and salt until just before serving.
- Leftover move
- Fold leftover relish into a chickpea salad or pile it onto grilled sandwiches the next day.
- Cleanup rhythm
- One bowl and a cutting board; rinse the onion smell off the knife with cold water and a little salt.
Ingredient brief
Role, handling, and swap guidance for each key ingredient.
red onion
crunchy base
Purpose: Red onion gives the relish its color and sharp backbone that contrasts rich curries.
Handling: Slice into thin half-moons and soak briefly in salted cold water to mellow the bite.
Adaptation: White or sweet onion works if red is unavailable, with a slightly milder result.
lemon juice
acid
Purpose: Fresh lemon lifts the whole relish and lightly pickles the onion as it sits.
Handling: Squeeze fresh and add just before serving to keep the texture crisp.
Adaptation: Lime juice or a splash of white vinegar gives a similar brightness.
fresh cilantro
herb
Purpose: Cilantro adds a green, fragrant note that ties the relish to the curry it accompanies.
Handling: Chop the leaves and tender stems just before mixing.
Adaptation: Fresh mint, or a mix of both, works for those who dislike cilantro.
green chili
gentle heat
Purpose: A little fresh chili gives a clean, immediate warmth without overpowering the onion.
Handling: Mince finely and seed it first if you want milder heat.
Adaptation: A pinch of red chili flakes or a dash of hot sauce stands in.
ground cumin
warm spice
Purpose: Cumin gives the relish its distinctly Indian, earthy aroma.
Handling: Toast whole seeds briefly and crush, or use ground cumin straight in.
Adaptation: Chaat masala adds cumin plus a tangy, savory note in one shot.
Technique notes
- Cutting the onion against the grain into thin half-moons gives a softer crunch than dicing.
- A pinch of sugar balances the acid if your lemons are especially sharp.
- Letting it rest five minutes after dressing lets the flavors marry without losing all the crunch.
Ingredient swaps
- Lower-sodium direction
- Skip the salting soak and rinse the onion in plain cold water, then season lightly at the end.
- Milder for kids
- Leave out the green chili entirely and lean on the cumin and lemon for flavor.
Serve alongside
- Chicken tikka masala
- Vegetable biryani
- Garlic naan
- Dal tadka
- Salted lassi
- Masala chai
- Sparkling water with lime
Serving suggestions only — check pairings for your household's allergens.
Storage & reheating
- Keep in an airtight container in the fridge for up to two days, though it is brightest the day it is made.
- The onions soften as they sit, so refresh with a squeeze of lemon before serving leftovers.
- This relish does not freeze well.
Equipment
- Sharp knife
- Cutting board
- Mixing bowl
- Citrus juicer
Make this household-aware
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